Type D and type A TXVs are made of what material and what systems are they used on?
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Where should the discharge line temperature be taken? What should the temperature be before a concern arises?
What is the primary function of the EPR?
Why is a liquid line filter drier more effective than a suction line filter drier?
What is the biggest disadvantage to using a fan cycle head pressure control?
What is the main differnace between the low pressure switch and the low ambient switch?
What are 5 common causes of low suction pressure?
What are the two characteristics of a start winding that separate them from a run winding? What do these characteristics do for the operation of the motor?
Which filter drier material is best suited for moisture removal? Which is best suited after a burnout?
How must vibration absorbers be installed?
What is a tube sheet?
What are the 3 kinds of oil seperators and how do each of them work?
What is a required accessory when installing a TXV?
What causes slugging and what can be done to prevent it?
What does a head pressure control valve do and why do we use them?
What are the 5 thermostatic charges?
The amount of bubble length is proportional to the amount of _____.
This type of valve uses the controlled medium to assist in its operation.
Turning the spring clockwise on a C.P.R will cause what?
What will an undersized TXV tend to do? An oversized?